CVE-2026-42137
medium
CVSS v3
6.5
CVSS v2
—
VIR risk
6.5
Description
Kirby CMS's `pages.access/list` and `files.access/list` permissions are not consistently checked in the Panel and REST API
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: security-advisories@github.com — https://github.com/getkirby/kirby/security/advisories/GHSA-85x2-r8xv-ww8c
Vendor advisory: security-advisories@github.com — https://github.com/getkirby/kirby/releases/tag/5.4.0
Vendor advisory: security-advisories@github.com — https://github.com/getkirby/kirby/releases/tag/4.9.0
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | getkirby/cms | >=5.0.0,<=5.3.3|<=4.8.0 | |
| Packagist | getkirby/cms | <4.9.0 | 4.9.0 |
| Packagist | getkirby/cms | >=5.0.0,<5.4.0 | 5.4.0 |
| COMPOSER | getkirby/cms | >= 5.0.0, <= 5.3.3 | 5.4.0 |
| COMPOSER | getkirby/cms | <= 4.8.0 | 4.9.0 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| getkirby | kirby | {"endExcluding":"4.9.0"} | 4.9.0 |
References
CWEs
CWE-862 CWE-863
Verify integrity in audit chain (admin only). AS-IS.